Phenol assay

Phenol is an aromatic organic compound widely used in the chemical industry, particularly for the production of phenolic resins, plastics, adhesives, disinfectants, and certain pharmaceuticals. Its simple and reactive structure makes it an important raw material, but also a toxic substance classified as hazardous to human health and the environment.

Phenol analysis is essential in many sectors to assess product conformity, limit the risks of migration in packaging and polymeric materials, and control pollution of water and industrial effluents.

Analytical methods:
Phenol analysis relies on several approaches depending on the nature of the matrix and the detection levels sought:

• HPLC (high-performance liquid chromatography) for wastewater, resins and adhesives.
• GC-FID and GC-MS for the sensitive identification and quantification of trace amounts of phenol in polymeric materials or chemicals.
• UV-Vis spectrophotometry for rapid analyses, particularly in the control of liquid discharges and effluents.

These methods offer high accuracy and meet current regulatory requirements.

Matrices concerned:
Phenol assay is applicable to a wide variety of matrices:

• Wastewater and industrial effluents , to control pollution and verify compliance with imposed thresholds.
• Adhesives and resins , particularly in formulations based on phenolic resins.
• Disinfectants and chemicals containing phenol.
• Polymeric materials and packaging , in order to detect residues and assess migration risks.

Industrial applications

• Environmental control : assess and reduce the presence of phenol in wastewater and industrial effluents.
• Materials safety : check the conformity of plastics and food packaging to European regulations (Regulation (EU) No 10/2011).
• Industrial quality : ensuring control of phenol-based resins and adhesives.
• Hygiene and disinfection : control disinfectant formulations containing phenol.

Further analyses:
Phenol analysis can be combined with other tests for a more comprehensive view of material quality and safety:

• Determination of bisphenol A and its derivatives, also present in plastics and resins.
• Determination of phthalates , common additives in polymers.
• NIAS assay to identify substances not intentionally added to packaging.
• Specific migration tests to measure the transfer of potential contaminants.

Regulations and Quality Issues:
Phenol is classified as a hazardous substance in the European Water Framework Directive (2008/105/EC) and must be monitored in industrial effluents. In the food contact materials sector, its use is strictly regulated by Regulation (EU) No 10/2011.

Compliance with these regulations requires manufacturers to implement regular analytical controls to avoid any non-compliance, protect consumers and guarantee the durability of materials placed on the market.

YesWeLab's expertise
is based on a network of ISO 17025 accredited laboratories, selected for their expertise in physicochemical analyses and their compliance with COFRAC requirements. Each request is directed to the most suitable laboratory and method based on the specific matrix, guaranteeing reliable results that conform to international standards.

Thanks to our digital platform, manufacturers can easily manage their analytical needs: online requests, quick quotes, sample tracking, and centralized results. Since 2020, YesWeLab has supported numerous players in the polymer, environmental, and agri-food sectors.